<!DOCTYPE html>
<html lang="fr">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>Connexion</title>
  <link href="https://fonts.googleapis.com/css2?family=Syne:wght@400;700;800&family=DM+Mono:wght@300;400&display=swap" rel="stylesheet"/>
  <style>
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --bg: #0a0a0f;
      --panel: #111118;
      --border: #1e1e2e;
      --accent: #7c6aff;
      --accent2: #ff6ab0;
      --text: #e8e6f0;
      --muted: #6b6880;
      --success: #4ade80;
      --error: #f87171;
    }

    body {
      font-family: 'DM Mono', monospace;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image:
        linear-gradient(rgba(124,106,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124,106,255,0.04) 1px, transparent 1px);
      background-size: 40px 40px;
      animation: gridShift 20s linear infinite;
      pointer-events: none;
    }

    @keyframes gridShift {
      0% { transform: translate(0, 0); }
      100% { transform: translate(40px, 40px); }
    }

    .orb { position: fixed; border-radius: 50%; filter: blur(80px); opacity: 0.15; pointer-events: none; }
    .orb1 { width: 500px; height: 500px; background: var(--accent); top: -150px; left: -150px; animation: float1 12s ease-in-out infinite; }
    .orb2 { width: 400px; height: 400px; background: var(--accent2); bottom: -100px; right: -100px; animation: float2 15s ease-in-out infinite; }

    @keyframes float1 { 0%, 100% { transform: translate(0,0); } 50% { transform: translate(40px,30px); } }
    @keyframes float2 { 0%, 100% { transform: translate(0,0); } 50% { transform: translate(-30px,-40px); } }

    .card {
      position: relative;
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 2px;
      padding: 48px 44px;
      width: 420px;
      max-width: 95vw;
      animation: cardIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
      opacity: 0;
      transform: translateY(20px);
    }

    @keyframes cardIn { to { opacity: 1; transform: translateY(0); } }

    .card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(90deg, var(--accent), var(--accent2));
    }

    .tag { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
    .tag::before { content: ''; display: inline-block; width: 18px; height: 1px; background: var(--accent); }

    h1 { font-family: 'Syne', sans-serif; font-size: 32px; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 8px; }
    h1 span { background: linear-gradient(135deg, var(--accent), var(--accent2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

    .subtitle { font-size: 12px; color: var(--muted); margin-bottom: 36px; letter-spacing: 0.02em; }

    .field { margin-bottom: 20px; }

    label { display: block; font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }

    input {
      width: 100%;
      background: rgba(255,255,255,0.03);
      border: 1px solid var(--border);
      border-radius: 2px;
      padding: 12px 14px;
      font-family: 'DM Mono', monospace;
      font-size: 13px;
      color: var(--text);
      outline: none;
      transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    }
    input:focus { border-color: var(--accent); background: rgba(124,106,255,0.05); box-shadow: 0 0 0 3px rgba(124,106,255,0.1); }
    input::placeholder { color: var(--muted); }

    button {
      width: 100%;
      margin-top: 28px;
      padding: 14px;
      background: var(--accent);
      border: none;
      border-radius: 2px;
      font-family: 'Syne', sans-serif;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: #fff;
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: background 0.2s, transform 0.1s;
    }
    button:hover { background: #6a58ee; }
    button:active { transform: scale(0.98); }
    button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
    button.loading::after {
      content: '';
      position: absolute; inset: 0;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
      animation: shimmer 1.2s infinite;
    }
    @keyframes shimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }

    .message {
      margin-top: 16px; padding: 10px 14px; border-radius: 2px;
      font-size: 12px; letter-spacing: 0.03em;
      display: none; align-items: center; gap: 8px;
    }
    .message.success { display: flex; background: rgba(74,222,128,0.08); border: 1px solid rgba(74,222,128,0.2); color: var(--success); }
    .message.error   { display: flex; background: rgba(248,113,113,0.08); border: 1px solid rgba(248,113,113,0.2); color: var(--error); }

    .footer { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); font-size: 10px; color: var(--muted); text-align: center; letter-spacing: 0.05em; }
  </style>
</head>
<body>
  <div class="orb orb1"></div>
  <div class="orb orb2"></div>

  <div class="card">
    <div class="tag">Authentification</div>
    <h1>Loustique Home</span></h1>
    <p class="subtitle">Connectez-vous pour accéder à votre espace.</p>

    <div class="field">
      <label for="username">Identifiant</label>
      <input type="text" id="username" placeholder="Nom du loustique" autocomplete="username" />
    </div>

    <div class="field">
      <label for="password">Mot de passe</label>
      <input type="password" id="password" placeholder="Le secret du loustique" autocomplete="current-password" />
    </div>

    <button id="btn" onclick="handleLogin()">Se connecter</button>

    <div class="message" id="msg">
      <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
        <path id="icon-path"/>
      </svg>
      <span id="msg-text"></span>
    </div>

    <div class="footer">Accès réservé aux Utilisateurs étant ajoutés par les loustiques</div>
  </div>

  <script>
    ["username", "password"].forEach(id => {
      document.getElementById(id).addEventListener("keydown", e => {
        if (e.key === "Enter") handleLogin();
      });
    });

    async function handleLogin() {
      const username = document.getElementById("username").value.trim();
      const password = document.getElementById("password").value;
      const btn      = document.getElementById("btn");

      document.getElementById("msg").className = "message";

      if (!username || !password) {
        showMessage("error", "Veuillez remplir tous les champs.");
        return;
      }

      btn.disabled = true;
      btn.classList.add("loading");
      btn.textContent = "Vérification...";

      try {
        const res  = await fetch("/login", {    
          method: "POST",
          headers: { "Content-Type": "application/json" },
          body: JSON.stringify({ username, password })
        });
        const data = await res.json();

        if (data.success) {
          showMessage("success", data.message || "Connexion réussie !");
           window.location.href = "/dashboard"; 
        } else {
          showMessage("error", data.message || "Identifiants incorrects.");
        }
      } catch {
        showMessage("error", "Impossible de contacter le serveur.");
      } finally {
        btn.disabled = false;
        btn.classList.remove("loading");
        btn.textContent = "Se connecter";
      }
    }

    function showMessage(type, text) {
      const msg  = document.getElementById("msg");
      const path = document.getElementById("icon-path");
      document.getElementById("msg-text").textContent = text;
      msg.className = "message " + type;
      path.setAttribute("d", type === "success"
        ? "M20 6L9 17l-5-5"
        : "M12 2a10 10 0 1 0 0 20A10 10 0 0 0 12 2zm0 6v4m0 4h.01"
      );
    }
  </script>
</body>
</html>
